I need to get my code to read if file doesnt exist create else append. Right now it is reading if it does exist create and append. Here is the code:

if (File.Exists(path))
{
    using (StreamWriter sw = File.CreateText(path))
    {

Would I do this?

if (! File.Exists(path))
{
    using (StreamWriter sw = File.CreateText(path))
    {

Edit:

string path = txtFilePath.Text;

if (!File.Exists(path))
{
    using (StreamWriter sw = File.CreateText(path))
    {
        foreach (var line in employeeList.Items)
        {
            sw.WriteLine(((Employee)line).FirstName);
            sw.WriteLine(((Employee)line).LastName);
            sw.WriteLine(((Employee)line).JobTitle);
        }
    }
}
else
{
    StreamWriter sw = File.AppendText(path);

    foreach (var line in employeeList.Items)
    {
        sw.WriteLine(((Employee)line).FirstName);
        sw.WriteLine(((Employee)line).LastName);
        sw.WriteLine(((Employee)line).JobTitle);
    }
    sw.Close();
}

}

c# streamwriter
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